Dissolution kinetics of manganese during nickel recovery from high iron grade laterite by acid leaching combined NaOH-assisted mechanochemical technology
Abstract
This study investigates the effect of the process involving a combination of sodium-based reagent-assisted mechanochemical conversion (NaOH-MC) and leaching, which was developed to provide highly efficient nickel recovery, on the amount of dissolved manganese during nickel recovery. For this purpose, firstly laterite was treated with NaOH as a reagent and then leaching performed in sulphuric acid medium. Response Surface Methodology (RSM) was successfully used as a statistical approach to determine the effect of parameters for both processes and to optimize processes conditions in terms of dissolved manganese. In optimum conditions determined as 0.5 M H2SO4, 55 mL/g liquid to solid ratio, 75 ºC and 30 min; dissolution amount of manganese from NaOH-MC treated laterite was achieved as 97.54% ± 1.06 (N = 2) with standard deviation. In addition, the dissolution behavior of manganese was defined by a control mechanism, a combination of chemical reaction and diffusion based on the shrinking core kinetic model. The activation energy of manganese dissolution was found as 35.42 kJ/mol. According to the results, the mechanochemistry contributed positively to the dissolution of manganese due to the increased leachability of laterite at low temperature and in a short time with low acid consumption.
Keywords
atmospheric acid leaching laterite manganese recovery mechanochemical conversion response surface methodology
Supporting Institution
TÜBİTAK
Project Number
116M076
Thanks
This work was supported by the Scientific and Technological Research Council of Turkey (TÜBİTAK) [Grant Number 116M076].
References
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Abstract
Project Number
116M076
References
- [1] Xin B., Li T., Li X., Dan Z., Xu F., Duan N., Zhang Y. and Zhang H. Reductive dissolution of manganese from manganese dioxide ore by autotrophic mixed culture under aerobic conditions. J. Cleaner Prod., 92 (2015) 54-64.
- [2] Zhang W., Cheng C.Y. and Pranolo Y. Investigation of methods for removal and recovery of manganese in hydrometallurgical processes. Hydrometallurgy, 101 (2010) 58-63.
- [3] Zhang W., Cheng C.Y., Manganese metallurgy review. Part I: Leaching of ores/secondary materials and recovery of electrolytic/chemical manganese dioxide, Hydrometallurgy, 89 (2007) 137-159.
- [4] Zhang Y., Chen X., Chu W., Cui H. and Wang M. Removal of vanadium from petroleum coke by microwave and ultrasonic-assisted leaching. Hydrometallurgy, 191, (2020) 105168.
- [5] Li C., Liang B., Study on the mechanochemical oxidation of ilmenite, J. Alloys Compd., 459 (2008) 354-361.
- [6] Baláž P., Mechanical activation in hydrometallurgy, Int. J. Miner. Process., 72 (2003) 341-354.
- [7] Nayak A.K., Pal A., Statistical modeling and performance evaluation of biosorptive removal of Nile blue A by lignocellulosic agricultural waste under the application of high-strength dye concentrations. J. Environ. Chem. Eng., 8(2) (2020) 103677.
- [8] Çetintaş S., Bingöl D., Response surface methodology approach to leaching of nickel laterite and evaluation of different analytical techniques used for the analysis of leached solutions, Anal. Methods., 8 (2016) 3075-3087.
- [9] Abrouki Y., Anouzla A., Loukili H., Bennazha J., Lotfi R., Rayadh A., Bahlaoui M.A., Sebti, S., Zakarya D. and Zahouily M. Experimental design-based response surface methodology optimization for synthesis of 𝛽-mercapto carbonyl derivatives as antimycobacterial drugs catalyzed by calcium pyrophosphate. Int. J. Med. Chem., (2014) doi: http://dx.doi.org/10.1155/2014/586437.
- [10] Montgomery D.C., Design and analysis of experiments, 7th ed. John Wiley & Sons, New York, 2008.
- [11] Lundstedt T., Seifert E., Abramo L., Thelin B., Nyström Å., Pettersen J., Bergman R. Experimental design and optimization. Chemometr. Intell. Lab. Syst., 42 (1998) 3-40.
- [12] Çetintaş S., Yildiz U. and Bingöl D. A novel reagent-assisted mechanochemical method for nickel recovery from lateritic ore. J. Cleaner Prod., 199 (2018) 616-632.
- [13] MacCarthy J., Nosrati A., Skinner W. and Addai-Mensah J. Atmospheric acid leaching mechanisms and kinetics and rheological studies of a low grade saprolitic nickel laterite ore. Hydrometallurgy, 160 (2016) 26-37.
- [14] Dehghan R., Noaparast M. and Kolahdoozan M. Leaching and kinetic modelling of low-grade calcareous sphalerite in acidic ferric chloride solution. Hydrometallurgy, 96(4) (2009) 275-282.
- [15] Tunç T., Yıldız K., Effects of ball-to-mass ratio during mechanical activation on the structure and thermal behavior of Turkish lateritic nickel ore, TOJSAT., 3 (2013) 80-85.
- [16] Ayanda O.S., Adekola F.A., Baba A.A., Fatoki O.S. and Ximba B.J. Comparative study of the kinetics of dissolution of laterite in some acidic media. JMMCE., 15 (2011) 1457-1472.
- [17] Petrovski A., Načevski G., Dimitrov A.T. and Paunović P. Kinetic models of nickel laterite ore process. Inter. Sci. J. Mach. Technol. Mater., 13 (2019) 487-490.
- [18] Liu K., Chen Q., Yin Z., Hu H. and Ding Z. Kinetics of leaching of a Chinese laterite containing maghemite and magnetite in sulfuric acid solutions. Hydrometallurgy, 125 (2012) 125-136.
Details
| Primary Language | English |
|---|---|
| Journal Section | Natural Sciences |
| Authors | |
| Project Number | 116M076 |
| Publication Date | June 25, 2020 |
| Submission Date | March 3, 2020 |
| Acceptance Date | June 2, 2020 |
| Published in Issue | Year 2020 |